The probability that a person in the United States has type B+ blood is 10%. Three...
The probability that a person in the United States has type B+ blood is 10%. Three unrelated people in the United States are selected at random. Complete parts (a) through (d).
(a) Find the probability that all three have type B+
blood.
(Round to six decimal places as needed)
(b) Find the probability that none of the three have
type B+ blood.
(round to six decimal places)
(c) Find the probability that at least one of the
three has type B+ blood.
(round to six decimal places)
(d) Which of the events can be considered unusual?
Explain. Select that apply.
a. None of these..
b. The event in part (a) is unusual
because it's probability is less than or
equal to 0.05.
c. The event in part (c) is unusual because it's
probability is less than or equal to 0.05.
d. The event in part (b) is unusual because it's
probability is less than or equal to 0.05.
Homework Answers
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The probability that a person in the United States has
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